
:root {
    --primary-color: #4285f4;
    --secondary-color: #34a853;
    --accent-color: #fbbc05;
    --dark-color: #202124;
    --light-color: #f8f9fa;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Noto Sans SC', 'Roboto', sans-serif;
    color: var(--dark-color);
    line-height: 1.6;
    background-color: #f5f7fa;
}

.nav-container {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: var(--shadow);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    margin: 0 0.3rem;
    border-radius: 4px;
    transition: var(--transition);
    font-weight: 500;
}

.nav-link:hover, .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.nav-link.active {
    font-weight: 700;
}

.search-container {
    flex-grow: 1;
    max-width: 500px;
    margin: 0 1rem;
}

.search-container form {
    display: flex;
}

.search-container input {
    flex-grow: 1;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px 0 0 4px;
    font-size: 1rem;
}

.search-container button {
    background-color: var(--accent-color);
    color: var(--dark-color);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.search-container button:hover {
    background-color: #e8ac04;
}

.main-content {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.about-us {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    transition: var(--transition);
}

.about-us:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.about-us h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.about-us h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

.about-us p {
    margin-bottom: 1rem;
    color: #555;
}

.team-intro {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.team-intro h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.team-members {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.team-member {
    background-color: var(--light-color);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.team-member img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1rem;
    border: 5px solid white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.team-member h3 {
    color: var(--primary-color);
    margin: 0.5rem 0;
}

.team-member p {
    color: #666;
    margin: 0.3rem 0;
}

.footer {
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    padding: 2rem 1rem;
    margin-top: 3rem;
}

.footer p {
    margin: 0.5rem 0;
    color: rgba(255, 255, 255, 0.7);
}

.footer a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    color: white;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        padding: 1rem;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
    }

    .nav-link {
        margin: 0.3rem 0;
        text-align: center;
    }

    .search-container {
        width: 100%;
        margin: 1rem 0;
    }

    .team-members {
        grid-template-columns: 1fr;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.about-us, .team-intro {
    animation: fadeIn 0.6s ease-out forwards;
}

.team-member {
    opacity: 0;
    animation: fadeIn 0.6s ease-out forwards;
}

.team-member:nth-child(1) { animation-delay: 0.2s; }
.team-member:nth-child(2) { animation-delay: 0.4s; }
.team-member:nth-child(3) { animation-delay: 0.6s; }
